.page-products {
  --prod-gap: clamp(20px, 3vw, 40px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding: clamp(24px, 4vw, 44px) 0 clamp(30px, 5vw, 60px);
}
.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}
@media (min-width: 980px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-products .prod-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.2vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-products .prod-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}
.page-products .prod-hero__lede {
  margin-top: 18px;
  max-width: 58ch;
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 快速定位索引 ---------- */
.page-products .prod-index {
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.page-products .prod-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-products .prod-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .prod-index__list > li + li {
  border-top: 1px solid var(--line-soft);
}
.page-products .prod-index__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  color: var(--ice);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--cyan);
}
.page-products .prod-index__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cyan);
  letter-spacing: 0.08em;
}
.page-products .prod-index__name {
  font-size: var(--fs-16);
  font-weight: 600;
}
.page-products .prod-index__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cool);
  white-space: nowrap;
}
.page-products .prod-index__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--cool);
}
.page-products .prod-index__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

/* ---------- 规模数据条 ---------- */
.page-products .prod-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
@media (min-width: 760px) {
  .page-products .prod-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 章节骨架 ---------- */
.page-products .prod-sec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: clamp(34px, 5vw, 64px) 0;
  border-bottom: 1px solid var(--line-soft);
}
@media (min-width: 900px) {
  .page-products .prod-sec {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
  }
}
.page-products .prod-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
  opacity: 0.38;
}
.page-products .prod-sec__body {
  min-width: 0;
}
.page-products .prod-sec__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  color: var(--ice);
}
.page-products .prod-sec__text {
  margin: 14px 0 0;
  max-width: 68ch;
  line-height: 1.8;
  color: var(--ice-soft);
}

/* ---------- 编号服务清单 ---------- */
.page-products .prod-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.page-products .prod-list > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
@media (min-width: 760px) {
  .page-products .prod-list > li {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 20px;
  }
}
.page-products .prod-list__num {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  letter-spacing: 0.08em;
  color: var(--sand);
}
.page-products .prod-list__main {
  min-width: 0;
}
.page-products .prod-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ice);
}
.page-products .prod-list__desc {
  margin: 6px 0 0;
  max-width: 62ch;
  line-height: 1.78;
  color: var(--ice-soft);
}

/* ---------- 数据条 ---------- */
.page-products .prod-bars {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.page-products .prod-bars > li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .prod-bars__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}
.page-products .prod-bars__text {
  flex: 1 1 240px;
  margin: 0;
  line-height: 1.75;
  color: var(--ice-soft);
}
.page-products .prod-bars__text strong {
  color: var(--ice);
  font-weight: 600;
}

/* ---------- 版本号芯片 ---------- */
.page-products .prod-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(11, 42, 33, 0.62);
}
.page-products .prod-version__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-products .prod-version__code {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  letter-spacing: 0.04em;
  color: var(--ice);
}

/* ---------- 图片 ---------- */
.page-products .prod-media {
  margin: 26px 0 0;
  width: 100%;
}
.page-products .prod-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .prod-media--portrait {
  max-width: 460px;
  aspect-ratio: 5 / 6;
}

/* ---------- 比赛日时间轴 ---------- */
.page-products .prod-timeline {
  display: flex;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
  scrollbar-width: thin;
}
.page-products .prod-timeline > li {
  position: relative;
  flex: 1 0 190px;
  padding: 20px 20px 4px 0;
}
.page-products .prod-timeline > li::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}
.page-products .prod-timeline > li:first-child::before {
  background: var(--orange);
}
.page-products .prod-timeline__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-products .prod-timeline__txt {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ice-soft);
}

/* ---------- 公告轮次 ---------- */
.page-products .prod-bulletin {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
}
.page-products .prod-bulletin > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 18px;
  border-left: 2px solid var(--sand);
  background: var(--ink-800);
  border-radius: var(--radius);
}
@media (min-width: 720px) {
  .page-products .prod-bulletin > li {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }
}
.page-products .prod-bulletin p {
  margin: 0;
  line-height: 1.75;
  color: var(--ice-soft);
}

/* ---------- 自查三步图 ---------- */
.page-products .prod-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}
@media (min-width: 880px) {
  .page-products .prod-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}
.page-products .prod-flow__step {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(11, 42, 33, 0.92), rgba(6, 26, 20, 0.92));
}
.page-products .prod-flow__lamp {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.page-products .prod-flow__step:nth-child(2) .prod-flow__lamp {
  background: var(--sand);
  box-shadow: 0 0 10px var(--sand);
}
.page-products .prod-flow__step:nth-child(3) .prod-flow__lamp {
  background: var(--orange);
  box-shadow: 0 0 10px var(--orange);
}
@media (min-width: 880px) {
  .page-products .prod-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 24px;
    right: -14px;
    width: 8px;
    height: 1px;
    background: var(--line-strong);
  }
}
.page-products .prod-flow__num {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cool);
}
.page-products .prod-flow__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ice);
}
.page-products .prod-flow__text {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ice-soft);
}

/* ---------- 折叠说明 ---------- */
.page-products .prod-acc {
  margin-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.page-products .prod-acc > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--ice);
  transition: color 0.2s var(--ease);
}
.page-products .prod-acc > summary::-webkit-details-marker {
  display: none;
}
.page-products .prod-acc > summary:hover,
.page-products .prod-acc > summary:focus-visible {
  color: var(--cyan);
}
.page-products .prod-acc > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--cyan);
}
.page-products .prod-acc[open] > summary::after {
  content: "−";
}
.page-products .prod-acc > p {
  margin: 0 0 16px;
  max-width: 66ch;
  line-height: 1.78;
  color: var(--ice-soft);
}

.page-products .prod-note {
  margin: 24px 0 0;
}

/* ---------- 适用人群补充 ---------- */
.page-products .prod-list--audience .prod-list__num {
  color: var(--cyan);
  opacity: 0.75;
}

/* ---------- 底部行动区 ---------- */
.page-products .prod-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(125deg, rgba(27, 31, 59, 0.92), rgba(6, 26, 20, 0.92));
}
@media (min-width: 860px) {
  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}
.page-products .prod-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  color: var(--ice);
}
.page-products .prod-cta__text {
  margin: 12px 0 0;
  max-width: 62ch;
  line-height: 1.78;
  color: var(--ice-soft);
}
.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
@media (min-width: 860px) {
  .page-products .prod-cta__actions {
    justify-content: flex-end;
    max-width: 280px;
  }
}
<<<END>>>